| 随机向量y的期望值的可能取值范围 |
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| 引用本文： | 刘焕斌.随机向量y的期望值的可能取值范围[J].黄冈师范学院学报,1990(3). |
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| 作者姓名： | 刘焕斌 |
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| 作者单位： | 黄冈师专数学科 |
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| 摘 要： | 本文讨论了随机向量的数学期望的可能取位范围,证明了结果:随相向量的期望值的可能取值范围是它的值域所张成的凸包.
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| 关 键 词： | 随机向量 数学期望 取值范围 位域 凸包 |
THE RELATION BETWEEN THE RANGE OF A RANDOM VECTOR AND THE POSSIBLE RANGE OF IT'S EXPECTATION |
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| Liu Huanbin.THE RELATION BETWEEN THE RANGE OF A RANDOM VECTOR AND THE POSSIBLE RANGE OF IT''''S EXPECTATION[J].Journal of Huanggang Normal University,1990(3). |
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| Authors: | Liu Huanbin |
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| Institution: | Liu Huanbin |
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| Abstract: | In this paper,we have discussed the relation between the range of a random vector and the possible range of it's expectation.The vesult that the possible range of expectation of a random vecton is the convex hull of it's ramge have been proved. |
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| Keywords: | ramdom vector range expectation convex hull |
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